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1
Laws of Exponents
2
Laws of Exponents
x
p
x
q
= x
p + q
=
x
p - q
3
Laws of Exponents
xy
p
=
x
p
y
p
x
p
=
x
p
y
y
p
x
p
q
=
x
pq
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Expressions with Exponents
Given an expression with an exponent, such as
x
p
x
is called the base
p
is called the exponent
Example:
3
4
base = 3,
exponent = 4
3
4
= 3 · 3 · 3 · 3 = 81
5
"x
0
"
x
0
=
1
x
¹
0
x
-
p
=
p >
0,
x
¹
0
x
=
or
6
Sample Problems